This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 54 |
| 2 | 2916 |
| 3 | 82807 |
| 4 | 2125134 |
| 5 | 48759352 |
| 6 | 1076278662 |
| 7 | 23051042448 |
| 8 | 486675087796 |
| 9 | 10173867472000 |
| 10 | 211512633571598 |
| 11 | 4381259021867922 |
| 12 | 90552637913884195 |
| 13 | 1868853564303970702 |
| 14 | 38534809875015493620 |
| 15 | 794094746915798233015 |